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Effect of Cash Turnover, Receivable Turnover and Inventory Turnover on Return on Investment (ROI) at PT. Kimia Farma Tbk Hermayani, Regitha Aulia; Sumawidjaja, Riyandi Nur
International Journal of Community Service & Engagement Vol. 6 No. 1 (2025): International Journal of Community Service & Engagemen
Publisher : Training & Research Institute - Jeramba Ilmu Sukses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47747/ijcse.v6i1.2657

Abstract

This study examines the effect of cash, accounts receivable, and inventory turnover on return on investment at PT Kimia Farma Tbk for 2019-2023. The data in the study are secondary data sourced from financial data on the Kimia Farma Website. Statistical analysis techniques include regression testing, correlation, determination, and hypothesis testing. The results showed that Cash Turnover positively and significantly affected Return On Investment. In contrast, Receivables Turnover and Inventory Turnover negatively and significantly affected Return On Investment. Overall, the three ratios are positive and significant to the Return On Investment of PT Kimia Farma Tbk in that period
PENGARUH LINGKUNGAN KERJA, MOTIVASI, DAN DISIPLIN KERJA TERHADAP KINERJA KARYAWAN PT GELINDO GARMENTAMA PADA DEPARTEMEN QC Jerisna, Jimjim; Sumawidjaja, Riyandi Nur
Journal of Information System, Applied, Management, Accounting and Research Vol 9 No 1 (2025): JISAMAR (December-February 2025)
Publisher : Sekolah Tinggi Manajemen Informatika dan Komputer Jayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52362/jisamar.v9i1.1761

Abstract

This study aims to evaluate the relationship between Work Environment, Motivation, Work Discipline, and Employee Performance in the QC Department of PT Gelindo Garmentama and to determine the extent to which these variables influence Employee Performance. Using a quantitative method with a descriptive and verificative approach, the study collected primary and secondary data through documentation. The entire population, consisting of 80 respondents, was taken as a sample using a total sampling method. Data analysis involved descriptive techniques, classical assumption tests, multiple regression, and hypothesis testing, including both partial and simultaneous analysis. Descriptive analysis showed that Employee Performance, Work Environment, Motivation, and Work Discipline scored 1.241, 820, 1.374, and 1.215, respectively, all of which fall into the high category. The research findings confirm that Work Environment, Motivation, and Work Discipline significantly affect Employee Performance, both individually (partially) and collectively (simultaneously).
The Influence of Capital Adequacy Ratio, Non-Performing Loan, and Loan to Deposit Ratio on Return on Assets : on State-Owned Enterprise Banks is listed on the Indonesia Stock Exchange for the 2015-2024 Period Adhitama, Prayoga Tri; Sumawidjaja, Riyandi Nur
International Journal of Finance Research Vol. 6 No. 2 (2025): International Journal of Finance Research
Publisher : Training & Research Institute - Jeramba Ilmu Sukses (TRI-JIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47747/ijfr.v6i2.2826

Abstract

This study examines how CAR, NPL, and LDR influenced ROA of SOE Bank from 2015 to 2024. The study's secondary data was collected from the websites of each bank's financial reports. Hypothesis testing, correlation coefficient analysis, regression analysis, classical assumption testing, and coefficient of determination analysis are examples of statistical analysis procedures. The findings demonstrated that LDR negatively impacts ROA, NPL negatively and significantly impacts ROA, and CAR positively and significantly impacts ROA. All things considered, the ROA of SOE banks that were listed at the time on the IDX was significantly influenced by these three ratios taken together.
Comparative Analysis of Active and Passive Portfolios with the Single Index Model and Capital Asset Pricing Model in Indonesia: Policy Directions in the Capital Market Sudarmadji, Harrys; Sudaryo, Yoyo; Sofiati, Nunung Ayu; Ismail, Gurawan Dayona; Sumawidjaja, Riyandi Nur
Journal of Public Representative and Society Provision Vol. 5 No. 3 (2025): Journal of Public Representative and Society Provision
Publisher : Pusat Studi Pembangunan dan Pemberdayaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55885/jprsp.v5i3.727

Abstract

This research conducts a comparative analysis between active and passive investment portfolios using two fundamental models in finance: the Single Index Model (SIM) and the Capital Asset Pricing Model (CAPM). The study focuses on stocks traded on the Indonesia Stock Exchange (IDX) that were not consistently included in the prestigious LQ45 Index during the period from January 2015 to June 2025. Using a rigorous quantitative method, the research compares portfolio performance, return, and risk under different strategies. The results conclusively indicate that portfolios designed with the Single Index Model consistently outperform those based on CAPM, and that active strategies deliver superior performance compared to passive ones. Beyond financial performance, the findings also carry significant policy implications. The consistent superiority of SIM suggests that regulators and market authorities should integrate simplified yet effective portfolio models into investor education initiatives. Similarly, the outperformance of active strategies highlights the importance of strengthening corporate disclosure standards and ensuring fair access to timely information, so that both institutional and retail investors can benefit equitably. By linking quantitative evidence with governance concerns, this study provides valuable insights for investors while offering policy directions to enhance transparency, inclusivity, and investor protection in Indonesia’s capital market.
Generational Analysis of Financial Decision- Making Among Gen-X, Gen-Y, and Gen-Z Sudaryo, Yoyo; Suryaningprang, Andre; Sumawidjaja, Riyandi Nur; Febriyanti, Diah; Zulfiqar, Mochammad
Operations Research: International Conference Series Vol. 6 No. 3 (2025): Operations Research: International Conference Series (ORICS) September 2025
Publisher : Indonesian Operations Research Association (IORA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47194/orics.v6i3.397

Abstract

This study aims to examine the influence of demographic factors on the financial decision-making behavior of three generational cohorts Gen-X, Gen-Y, and Gen-Z in urban Indonesia, focusing on Jakarta, Bandung, and Surabaya. Using a quantitative approach, data were collected through an online survey with 381 respondents and analyzed using ANCOVA and Kruskal- Wallis tests. The findings reveal that income significantly impacts financial decision-making, with higher-income individuals making more informed choices. Women and Gen-Y demonstrate stronger saving discipline and cost-optimization strategies, while city- specific patterns highlight differences in financial behaviors, such as timely payments and discount awareness. Gender and occupation show no significant overall effects, though some variations exist in specific behaviors. These results provide theoretical insights into behavioral accounting, particularly in understanding the role of income and demographic contexts in shaping financial behaviors. Practically, the study informs financial advisors and policymakers to design tailored education and advisory programs for different demographic groups. The study offers a novel contribution by utilizing ribbon chart visualizations to uncover intergenerational and intercity financial behavior patterns in Indonesia.
The effect of return on assets, return on equity, and firm size on company value in infrastructure companies listed on the BEI in 2018-2022 Budiantara, Jaka Perbawa; Supiyadi, Dedi; Sumawidjaja, Riyandi Nur; Sudaryo, Yoyo
Junal Ilmu Manajemen Vol 7 No 1 (2024): January: Management Science and Field
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/jmas.v7i1.463

Abstract

In the ongoing industrialization era, business progress is growing rapidly, driven by very tight competition. The decline in share value in the infrastructure sector is the result of intense and growing business competition. This phenomenon encourages investors to make careful considerations before making investment decisions. Thus, the company has the opportunity to strengthen and increase its capital liquidity. This research was conducted on four large companies that have been specified, namely PT Smartfren Telecom Tbk, PT Indosat Tbk, PT Telkom Indonesia (Persero) Tbk, and PT Wijaya Karya (Persero) Tbk. The research method uses a quantitative approach with a purposive sampling method on company financial reports and applies Panel Data Regression techniques. Data analysis using the t test (Partial Test) and Simultaneous Test (F Test) revealed that, partially, Return on Assets (ROA) has no significant effect on company value. On the other hand, Return on Equity (ROE) and Company Size (Firm Size) have a significant effect on company value. Simultaneously, ROA, ROE, and Firm Size together influence company value by 48%, while other factors also play a role. The analysis was carried out through multiple linear regression using Eviews 10 software and described the calculation results of the classical assumption deviation test. This research is expected to provide considerations for companies in increasing company value and attracting the interest of more investors.
Pengaruh Tren Sosial terhadap Keputusan Pembelian Konsumen pada Ritel Modern Nugraha, Ivandanny; Sumawidjaja, Riyandi Nur
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.5358

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh penempatan produk, harga promosi, dan tren sosial terhadap keputusan pembelian konsumen pada Yogya Junction Sumbersari.Penelitian ini dilakukan untuk memberikan gambaran empiris mengenai perilaku konsumen dalam konteks ritel modern yang semakin kompetitif. Penelitian ini menggunakan pendekatan kuantitatif dengan metode survei. Data dikumpulkan melalui penyebaran kuesioner kepada 100 responden yang dipilih menggunakan teknik purposive sampling. Data yang diperoleh dianalisis menggunakan analisis regresi linear berganda dengan bantuan perangkat lunak SPSS. Sebelum dilakukan analisis regresi, data terlebih dahulu diuji melalui uji asumsi klasik guna memastikan kelayakan model yang digunakan. Hasil penelitian menunjukkan bahwa secara parsial penempatan produk dan harga promosi tidak berpengaruh signifikan terhadap keputusan pembelian konsumen. Sebaliknya, tren sosial terbukti berpengaruh positif dan signifikan terhadap keputusan pembelian. Secara simultan, penempatan produk, harga promosi, dan tren sosial berpengaruh signifikan terhadap keputusan pembelian konsumen. Temuan ini menunjukkan bahwa tren sosial merupakan faktor yang paling dominan dalam memengaruhi keputusan pembelian konsumen pada objek penelitian.Temuan penelitian ini diharapkan dapat memberikan kontribusi praktis bagi pelaku usaha ritel dalam merumuskan strategi pemasaran yang lebih adaptif terhadap dinamika tren dan perilaku konsumen. Hasil penelitian ini diharapkan dapat menjadi bahan pertimbangan bagi pelaku usaha ritel dalam merumuskan strategi pemasaran yang lebih adaptif terhadap perkembangan tren dan perilaku konsumen.
Analisis Pengaruh LDR, NIM, dan BOPO terhadap ROA pada Bank Maspion 2015-2024 Rizkiya, A. Yusnika; Herlinawati, Erna; Sumawidjaja, Riyandi Nur
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.5557

Abstract

Profitabilitas merupakan indikator fundamental sebagai dasar untuk mengevaluasi kondisi dan kinerja perbankan, yang umumnya direpresentasikan melalui Return on Assets. ROA mencerminkan kemampuan manajemen bank dalam mengoptimalkan pemanfaatan aset untuk menghasilkan laba. Pada salah satu bank swasta nasional, yaitu Bank Maspion, kinerja ROA sepanjang 2015 hingga 2024 menunjukkan pola yang berfluktuasi, mencerminkan perubahan dalam efektivitas fungsi intermediasi, kemampuan menghasilkan pendapatan bunga, serta tingkat efisiensi operasional. Variasi tersebut menjadi dasar penting untuk menganalisis pengaruh LDR, NIM, serta BOPO terhadap ROA. Studi ini menggunakan pendekatan berbasis data kuantitatif dengan fokus pada keterkaitan antarvariabel secara eksplanatori. Sumber data berasal dari laporan keuangan triwulanan Bank Maspion yang dipublikasikan melalui laman resminya sebagai data sekunder. Analisis dilakukan melalui teknik regresi linier berganda, setelah memastikan bahwa seluruh asumsi klasik telah terpenuhi. Temuan analisis mengungkapkan bahwa variabel LDR tidak terbukti memberikan pengaruh yang berarti pada ROA. Sebaliknya, NIM serta BOPO memperlihatkan pengaruh signifikan ketika diuji secara parsial. Namun, ketika diuji secara bersamaan, ketiga variabel bebas memiliki pengaruh secara signifikan pada perubahan ROA. Analisis data memberikan indikasi bahwa tingkat profitabilitas Bank Maspion lebih ditentukan oleh efektivitas pengelolaan margin bunga dan efisiensi biaya dibandingkan fungsi intermediasinya. Implikasinya, bank perlu memperkuat strategi pengelolaan margin dan pengendalian biaya untuk menjaga stabilitas profitabilitas di tengah dinamika industri perbankan.
Analisis Pengaruh NPL, NIM dan BOPO Terhadap Profitabilitas Bank KB Bukopin 2015-2024 SUSANTO, Putri Mulawarni; Herlinawati, Erna; Sumawidjaja, Riyandi Nur
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.5558

Abstract

Profitabilitas perbankan tidak terlepas dari dinamika risiko kredit, kemampuan intermediasi, serta tingkat efisiensi operasional yang tercermin dalam kinerja keuangan bank. Penelitian ini bertujuan untuk menganalisis pengaruh NPL, NIM, dan BOPO terhadap profitabilitas PT Bank KB Bukopin Tbk yang diproksikan dengan ROA periode 2015–2024. Metode  penelitian menggunakan pendekatan kuantitatif dengan teknik purposive sampling terhadap laporan keuangan triwulan yang lengkap dan memuat variabel penelitian yang relevan, sehingga diperoleh data yang layak dianalisis. Analisis dilakukan menggunakan regresi linier berganda untuk menguji pengaruh variabel independen baik secara parsial maupun simultan terhadap variabel dependen. Hasil pengujian parsial menunjukkan NPL dan BOPO berkorelasi negatif menekan ROA secara signifikan, yang mengindikasikan peningkatan risiko kredit serta inefisiensi operasional berdampak langsung terhadap penurunan kinerja profitabilitas bank. Sementara NIM tidak terbukti memiliki keterkaitan signifikan terhadap ROA. Hasil pengujian simultan menunjukkan bahwa NPL, NIM, dan BOPO secara bersama-sama berkontribusi secara signifikan terhadap ROA dengan koefisien determinasi (R²) mencapai 0,981 yang berarti 98,1% variabilitas ROA dapat dijelaskan oleh interaksi ketiga variabel penelitian tersebut. Temuan ini menegaskan bahwa profitabilitas PT Bank KB Bukopin Tbk lebih sensitif terhadap efektivitas pengelolaan risiko kredit dan efisiensi operasional dibandingkan kontribusi margin bunga, serta memberikan bukti empiris berbasis satu bank yang melengkapi penelitian sebelumnya yang umumnya menggunakan data panel lintas bank.
Analisis Pengaruh Rasio CAR, LDR, NPL dan BOPO terhadap Kinerja Keuangan (ROA) Bank HIMBARA Tahun 2017–2024 Safitri, Meilina; Sumawidjaja, Riyandi Nur; Sofiati, Nunung Ayu; Ismail, Gurawan Dayona; Sudaryo, Yoyo
Akuntansi & Ekonomika Vol 15 No 2 (2025): Jurnal Akuntansi dan Ekonomika
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Universitas Muhammadiyah Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jae.v15i2.10449

Abstract

This study aims to analyze whether the CAR, LDR, NPL, and BOPO ratios affect ROA. The financial ratio data were obtained from secondary data of HIMBARA banks (BRI, BNI, Mandiri, and BTN) for the 2017–2024 period. The data analysis method used was multiple linear regression with SPSS. The partial results show that CAR influences ROA, while LDR, NPL, and BOPO do not have a significant effect on ROA. Simultaneously, all independent variables have a significant effect on the dependent variable. The obtained Adjusted R Square indicates that CAR, LDR, NPL, and BOPO collectively explain 92.4% of the variation in ROA, while the remaining 7.6% is influenced by other factors. This research is expected to provide a useful reference for the public and future researchers in understanding the factors that influence bank profitability.